[WP#48988]Write Document for getting file information from file id

[SagarGi]

Description

This PR adds the documentation regarding getting the information of the file with fileid(s).

Related WorkPackage

https://community.openproject.org/work_packages/48988/activity

[SagarGi]

Currently CI is failing and the fix is in this PR nextcloud/groupfolders#2542

[SwikritiT]

Currently CI is failing and the fix is in this PR nextcloud/groupfolders#2542

@SagarGi #490 this PR got merged so currently CI is not running in nextcloud master so rebase and push

[github-actions]

JS Code Coverage

Coverage after merging add_readme_fileinfo_with_fileid into master will be

87.93%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src
adminSettings.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–25, 3–9
bootstrap.js	0%	0%	0%	0%	1, 1–7
dashboard.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–25, 3–9
fileActions.js	0%	0%	0%	0%	1, 1, 10–17, 2–9
personalSettings.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–25, 3–9
projectTab.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–29, 3, 30–39, 4, 40–49, 5, 50–59, 6, 60–66, 7–9
reference.js	0%	0%	0%	0%	1, 1, 10–19, 2, 20–29, 3, 30–39, 4, 40–49, 5, 50–59, 6, 60, 7–9
utils.js	63.64%	33.33%	50%	66%	10–14, 17–26, 6–9
src/components
AdminSettings.vue	99.29%	95.60%	85.19%	99.91%	1, 1, 1, 1, 1
OAuthConnectButton.vue	99.17%	87.50%	100%	100%	1
PersonalSettings.vue	98.87%	93.33%	85.71%	100%	1
src/components/admin
FieldValue.vue	97.12%	83.33%	100%	98.89%	1, 23, 23
FormHeading.vue	97.66%	75%	100%	99.36%	1, 1, 34, 34
ProjectFolderError.vue	96.83%	80%	100%	98.21%	1, 1
TextInput.vue	99.25%	95%	88.89%	100%	1
src/components/icons
ClippyIcon.vue	93.18%	50%	50%	97.50%	1, 1
OpenProjectIcon.vue	93.75%	100%	0%	96.77%	1
src/components/settings
CheckBox.vue	92.45%	80%	66.67%	97.62%	1, 1
SettingsTitle.vue	94.74%	50%	100%	97.14%	1, 1
src/components/tab
EmptyContent.vue	97.04%	78.95%	100%	99.32%	1, 1, 1, 33, 33
SearchInput.vue	99.19%	88.89%	80%	100%	1
WorkPackage.vue	98.42%	40%	100%	99.35%	1, 1, 1, 43, 43
src/utils
workpackageHelper.js	94.21%	88%	100%	95.65%	17–19, 48, 48–50
src/views
Dashboard.vue	98.97%	71.43%	100%	99.65%	1, 1, 1
ProjectsTab.vue	99.74%	93.75%	100%	100%	23
WorkPackagePickerElement.vue	0%	0%	0%	0%	1, 1, 10–19, 2, 20–29, 3, 30–39, 4, 40–49, 5, 50–59, 6, 60–69, 7, 70–79, 8, 80–89, 9, 90–96
WorkPackageReferenceWidget.vue	0%	0%	0%	0%	1, 1, 10, 100–109, 11, 110–119, 12, 120–129, 13, 130–134, 14–19, 2, 20–29, 3, 30–39, 4, 40–49, 5, 50–59, 6, 60–69, 7, 70–79, 8, 80–89, 9, 90–99

[github-actions]

PHP Code Coverage

Coverage after merging add_readme_fileinfo_with_fileid into master will be

56.70%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
server/apps/integration_openproject/lib
Capabilities.php	0%	100%	0%	0%	19, 26–29
server/apps/integration_openproject/lib/AppInfo
Application.php	10.81%	100%	25%	9.09%	100–102, 104–106, 110–113, 115, 119–124, 135, 139, 70–72, 75, 79, 82, 85, 87, 89, 93, 98
server/apps/integration_openproject/lib/BackgroundJob
RemoveExpiredDirectUploadTokens.php	0%	100%	0%	0%	42, 44–46, 55–56
server/apps/integration_openproject/lib/Controller
ConfigController.php	62.69%	100%	50%	63.39%	134, 151–152, 154, 156–158, 160–161, 166–167, 169, 217, 278, 367–368, 371–372, 378–380, 506–509, 511–512, 515, 523, 534, 548–550, 565–569, 571–572, 574–577, 579–581, 583–585, 587–589, 607–612, 614–615, 617–619, 622, 624–627, 629–631, 633–635, 637–639, 653, 662–665, 667–670, 680–685
DirectDownloadController.php	0%	100%	0%	0%	36–38, 53–55, 57, 60–61
DirectUploadController.php	71.43%	100%	100%	70.43%	131–132, 177, 190, 194–197, 199, 209, 216, 232–234, 236–237, 240–242, 248, 250, 255–256, 263–264, 267–268, 271–272, 288–289, 309, 314, 320
FilesController.php	74.53%	100%	85.71%	73.74%	232–233, 284, 290–294, 297–299, 301, 303, 314–316, 319–320, 322–323, 327–330, 333, 339
OpenProjectAPIController.php	88.18%	100%	80%	88.78%	138, 175, 195, 221–224, 227, 229, 231–234, 236–237, 242, 254, 263, 281, 290, 555, 557, 95
server/apps/integration_openproject/lib/Dashboard
OpenProjectWidget.php	0%	100%	0%	0%	101–102, 104–108, 116, 123–124, 126, 128–129, 131–132, 134, 137–138, 140–141, 143, 69–73, 80, 87, 94
server/apps/integration_openproject/lib/Exception
OpenprojectErrorException.php	100%	100%	100%	100%
OpenprojectFileNotUploadedException.php	100%	100%	100%	100%
OpenprojectGroupfolderSetupConflictException.php	100%	100%	100%	100%
OpenprojectResponseException.php	100%	100%	100%	100%
OpenprojectUnauthorizedUserException.php	0%	100%	0%	0%	16
server/apps/integration_openproject/lib/Listener
AddContentSecurityPolicyListener.php	0%	100%	0%	0%	43, 47–48, 50–53
BeforeGroupDeletedListener.php	0%	100%	0%	0%	48, 56–57, 60–63
BeforeNodeInsideOpenProjectGroupfilderChangedListener.php	0%	100%	0%	0%	40–42, 46–51, 53–58, 60, 62, 66
BeforeUserDeletedListener.php	0%	100%	0%	0%	48, 55–56, 58–61
LoadSidebarScript.php	0%	100%	0%	0%	100, 102, 104, 106–108, 110, 112, 114–115, 117–118, 120, 122, 75–81, 83–84, 86–87, 89–90, 96–97, 99
OpenProjectReferenceListener.php	0%	100%	0%	0%	53–54, 58–59, 62–63, 65, 67
UserChangedListener.php	0%	100%	0%	0%	52, 59–60, 63–68
server/apps/integration_openproject/lib/Migration
Version2001Date20221213083550.php	0%	100%	0%	0%	47, 57, 60, 63, 67, 70, 73, 77–79, 81
Version2310Date20230116153411.php	0%	100%	0%	0%	46, 49–52, 54–56, 60, 64, 68, 72, 76, 81–82, 84
Version2400Date20230504144300.php	0%	100%	0%	0%	47, 57, 60
server/apps/integration_openproject/lib/Reference
WorkPackageReferenceProvider.php	17.02%	100%	10%	18.92%	102, 109–112, 115–117, 120, 127–130, 132, 134–136, 138, 140, 142, 146, 155, 163–164, 172, 52, 59, 66, 73–74
server/apps/integration_openproject/lib/Search
OpenProjectSearchProvider.php	0%	100%	0%	0%	103–104, 107–114, 116–118, 121–122, 124–125, 129–134, 140–141, 143, 66–69, 76, 83, 91, 93, 96
OpenProjectSearchResultEntry.php	100%	100%	100%	100%
server/apps/integration_openproject/lib/Service
DatabaseService.php	43.90%	100%	60%	41.67%	125–128, 131, 80–87, 89–93, 95–97
DirectDownloadService.php	88%	100%	100%	86.96%	65–66, 68
DirectUploadService.php	54.55%	100%	66.67%	52.63%	112, 118, 79–82, 84, 89, 91
OauthService.php	0%	100%	0%	0%	108–115, 45–47, 56–66, 68, 70–72, 75–78, 89, 91–94, 96–97
OpenProjectAPIService.php	70.31%	100%	70.73%	70.26%	1000, 1003, 1009, 1014, 1018, 1028, 1030, 1033, 1035, 1166–1173, 1175, 1183–1187, 1195–1202, 1219–1226, 1235–1240, 180–184, 255, 364–365, 367, 381–382, 391, 395,