Add Intraday Intensity Index (III) implementation and tests

- Implemented the III indicator in Iii.Quantower.cs, measuring buying/selling pressure based on close price within the day's range, weighted by volume.
- Added unit tests for III functionality in Iii.Tests.cs, covering various scenarios including default parameters, updates, and cumulative mode.
- Created validation tests in Iii.Validation.Tests.cs to ensure consistency between streaming, batch, and span calculations.
- Developed comprehensive documentation for III in Iii.md, detailing its historical context, mathematical foundation, and common pitfalls.

.github/instructions/codacy.instructions.md

@@ -6,6 +6,13 @@
 # Codacy Rules
 Configuration for AI behavior when interacting with Codacy's MCP Server
 
+## using any tool that accepts the arguments: `provider`, `organization`, or `repository`
+- ALWAYS use:
+ - provider: gh
+ - organization: mihakralj
+ - repository: QuanTAlib
+- Avoid calling `git remote -v` unless really necessary
+
 ## CRITICAL: After ANY successful `edit_file` or `reapply` operation
 - YOU MUST IMMEDIATELY run the `codacy_cli_analyze` tool from Codacy's MCP Server for each file that was edited, with:
  - `rootPath`: set to the workspace path