Initial support for textDocument/hover request. #4288

Job	Run time
VerifyFormatting	1m 57s
ClangTidy	1h 23m 19s
MacOsBuild	2m 27s
KytheVerification	0s
MacOsBuildDevTools	3m 50s
x86_64 test	3m 52s
PrepareVSPlugin	2m 1s
arm64 test	4m 35s
KytheXrefs	0s
x86_64 test-clang	3m 59s
WindowsBuild	6m 20s
arm64 test-clang	4m 49s
x86_64 test-nortti	3m 45s
x86_64 test-c++20	3m 53s
x86_64 test-c++23	4m 8s
x86_64 smoke-test	10m 10s
arm64 smoke-test	11m 33s
x86_64 asan	6m 19s
x86_64 asan-clang	5m 2s
x86_64 compile	3m 24s
arm64 compile	3m 46s
x86_64 compile-clang	2m 39s
arm64 compile-clang	3m 42s
x86_64 compile-static	3m 9s
arm64 compile-static	3m 48s
x86_64 compile-static-clang	3m 12s
arm64 compile-static-clang	3m 51s
x86_64 coverage	18m 32s
x86_64 clean	7m 15s
arm64 clean	6m 59s
Build and deploy GitHub pages	8s
📦 Release	0s
	3h 42m 24s

Provide feedback