chore: refactor index files & update `@wso2` internal plugins #522

Job	Run time
🌳 ESLint (STATIC ANALYSIS) (lts/*)	3m 11s
ʦ Typecheck (STATIC ANALYSIS) (lts/*)	2m 42s
💅 Storybook (lts/*)	3m 42s
👾 Unit Tests (lts/*)	4m 14s
🚧 Build (lts/*)	2m 33s
	16m 22s

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