docs: Remote config docs improvements

[roncohen]

No description provided.

[roncohen]

one more!

[Swiftwork]

AI suggestions

General Improvements

Ensure consistency in capitalization (e.g., "JavaScriptS/Typescript" should be "JavaScript/TypeScript").
Verify that all headings follow a consistent format (e.g., some headings use parentheses for "beta" while others do not).

Specific Improvements

packages/browser-sdk/README.md
Line 5: "collecting feedback" should link correctly to the qualitative feedback section.
Line 5: "remotely configuring features" should link correctly to the remote config section.
Line 197: "Remote config (beta)" should be consistently applied across all README files.
Line 217: "If feature has no configuration or, no configuration value was matched against the context, the config object will be empty" should be corrected to "If a feature has no configuration or no configuration value was matched against the context, the config object will be empty."
Line 234: "The key is always present while the payload is a optional JSON value for arbitrary configuration needs" should be corrected to "The key is always present while the payload is an optional JSON value for arbitrary configuration needs."
packages/node-sdk/README.md
Line 3: "JavaScriptS/Typescript" should be corrected to "JavaScript/TypeScript".
Line 5: Ensure consistent linking for "collecting feedback" and "remotely configuring features".
Line 229: "Remote config (beta)" should be consistently applied across all README files.
Line 249: "If feature has no configuration or, no configuration value was matched against the context, the config object will be empty" should be corrected to "If a feature has no configuration or no configuration value was matched against the context, the config object will be empty."
Line 218: "The key is always present while the payload is a optional JSON value for arbitrary configuration needs" should be corrected to "The key is always present while the payload is an optional JSON value for arbitrary configuration needs."