[DO NOT MERGE] Setting main as default branch

[quietbits]

No description provided.

[Copilot]

Pull request overview

This PR updates repository references and CI triggers to align with using main as the default/trunk branch (replacing master) across documentation and GitHub Actions workflows.

Changes:

• Update GitHub blob links in docs/source comments from master to main.
• Update GitHub Actions workflow branch filters to trigger on main instead of master.
• Update contribution/release documentation text to refer to main as the target branch.

Reviewed changes

Copilot reviewed 11 out of 11 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/contract/assembled_transaction.ts	Updates an inline documentation link to point at blob/main.
README.md	Updates links to CONTRIBUTING and LICENSE to use blob/main.
docs/reference/contracts-client.md	Updates example link to blob/main (and keeps generated “Source” links consistent).
docs/index.md	Mirrors README link updates for blob/main.
docs/agents.md	Updates the linked path to config/site.ts on blob/main.
CONTRIBUTING.md	Updates external/internal references and release instructions to use main terminology.
.github/workflows/tests.yml	Changes push branch trigger to main and updates ruleset comment to protect-main.
.github/workflows/format.yml	Changes push branch trigger to main.
.github/workflows/e2e.yml	Changes push branch trigger from master to main (retains release/**).
.github/workflows/docs_deploy.yml	Changes push branch trigger to main.
.github/workflows/codeql-analysis.yml	Changes push/PR branch filters from master to main.

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