doc: add new plan commands to readme

[a8m]

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[github-actions]

Atlas Lint Report

Analyzed migrations

Status	Step	Result	Diagnostics
	Detect New Migration Files	Found 0 new migration files (from 0 total)
	Replay Migration Files	Loaded 0 changes on dev database
	Connect your project to Atlas Cloud to get more safety checks

---

Migrations automatically reviewed by Atlas

[github-actions]

Atlas Lint Report

Analyzed migrations2

Status	Step	Result	Diagnostics
	Detect New Migration Files	Found 0 new migration files (from 0 total)
	Replay Migration Files	Loaded 0 changes on dev database
	Connect your project to Atlas Cloud to get more safety checks

---

Migrations automatically reviewed by Atlas

[github-actions]

atlas migrate lint on atlasaction/testdata/migrations_destructive

Status	Step	Result
	1 new migration file detected	20230925192914.sql
	ERD and visual diff generated	View Visualization
	Analyze 20230925192914.sql 1 reports were found in analysis	Destructive changes detected Dropping table "t1" (DS102)
Read the full linting report on Atlas Cloud

[github-actions]

Atlas detected changes to the desired schema

SQL Plan

-- Create "t1" table
CREATE TABLE `t1` (
  `c1` integer NOT NULL
);
-- Create "t2" table
CREATE TABLE `t2` (
  `c1` integer NOT NULL
);
-- Create "t3" table
CREATE TABLE `t3` (
  `c1` integer NOT NULL
);
-- Create "t4" table
CREATE TABLE `t4` (
  `c1` integer NOT NULL,
  `c2` integer NOT NULL
);

Atlas lint results

Status	Step	Result
	Detect schema changes	4 new statements detected
	No issues found

---

📝 To edit this plan, follow these steps

1. Run atlas schema plan pull --url "atlas://atlas-action/plans/pr-234-R1cGcSfo" > pr-234-R1cGcSfo.plan.hcl
2. Modify the plan.
3. Push the plan using atlas schema plan push --pending --env test --file pr-234-R1cGcSfo.plan.hcl
4. Re-trigger this action using gh run rerun 10979285344

[github-actions]

Atlas detected changes to the desired schema

SQL Plan

-- Create "t1" table
CREATE TABLE `t1` (
  `c1` integer NOT NULL
);
-- Create "t2" table
CREATE TABLE `t2` (
  `c1` integer NOT NULL
);
-- Create "t3" table
CREATE TABLE `t3` (
  `c1` integer NOT NULL
);
-- Create "t4" table
CREATE TABLE `t4` (
  `c1` integer NOT NULL,
  `c2` integer NOT NULL
);

Atlas lint results

Status	Step	Result
	Detect schema changes	4 new statements detected
	No issues found

---

📝 To edit this plan, follow these steps

1. Run atlas schema plan pull --url "atlas://atlas-action/plans/pr-227-R1cGcSfo" > pr-227-R1cGcSfo.plan.hcl
2. Modify the plan.
3. Push the plan using atlas schema plan push --pending --env test --file pr-227-R1cGcSfo.plan.hcl
4. Re-trigger this action using gh run rerun 10979952649