docs: added icons for stars, contributors, forks, issues and links to them #2151

Job	Run time
Test - nightly toolchain (recent)	15m 2s
Test - nightly toolchain (minimal)	14m 44s
Test - stable toolchain (minimal)	15m 49s
Test - stable toolchain (recent)	16m 3s
Format - nightly toolchain	16s
Docs - stable toolchain (recent)	48s
Test - 1.63.0 toolchain (recent)	27m 3s
Test - 1.63.0 toolchain (minimal)	25m 48s
Bench - nightly toolchain (recent)	3m 23s
Embedded	1m 23s
Lint - nightly toolchain (recent)	32s
Docs - nightly toolchain (recent)	38s
Integration tests - stable toolchain (25_2)	5m 5s
Integration tests - stable toolchain (26_0)	5m 35s
Integration tests - stable toolchain (25_0)	58s
Integration tests - stable toolchain (25_1)	6m 34s
Integration tests - stable toolchain (22_1)	5m 21s
Integration tests - stable toolchain (23_2)	1m 3s
Integration tests - stable toolchain (0_21_2)	2m 32s
Integration tests - stable toolchain (24_1)	56s
Integration tests - stable toolchain (0_18_1)	4m 18s
Integration tests - stable toolchain (24_0_1)	10m 52s
Integration tests - stable toolchain (24_2)	1m 9s
Integration tests - stable toolchain (0_19_1)	56s
Integration tests - stable toolchain (22_0)	54s
Integration tests - stable toolchain (0_20_2)	3m 51s
Integration tests - stable toolchain (23_1)	4m 29s
Integration tests - stable toolchain (0_17_1)	2m 57s
Integration tests - stable toolchain (23_0)	1m 4s
	3h 0m 3s

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