v2.1.1: roadmap cleanup + README update + openspec archive

- Archive all 10 shipped openspec changes to openspec/changes/archived/
- Update boocode_roadmap.md: date, shipped status for v1.14/v1.15/v2.0, add v2.1.0 section
- Update README.md: 3-app monorepo, add services table, add What's shipped section
- Remove stale active openspec folders (all work shipped)

openspec/changes/archived/v1.13.12-skills-audit.md

@@ -0,0 +1,4 @@
+# v1.13.12-skills-audit
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v1.13.15-codecontext-synth.md

@@ -0,0 +1,4 @@
+# v1.13.15-codecontext-synth
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v1.13.17-cross-repo-reads.md

@@ -0,0 +1,4 @@
+# v1.13.17-cross-repo-reads
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v1.13.18-codecontext-file-path.md

@@ -0,0 +1,4 @@
+# v1.13.18-codecontext-file-path
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v1.13.20-drop-legacy-cols.md

@@ -0,0 +1,4 @@
+# v1.13.20-drop-legacy-cols
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v1.14-outer-loop.md

@@ -0,0 +1,4 @@
+# v1.14-outer-loop
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v1.14.1-mcp-poc.md

@@ -0,0 +1,4 @@
+# v1.14.1-mcp-poc
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v1.14.x-html-artifact-panes.md

@@ -0,0 +1,4 @@
+# v1.14.x-html-artifact-panes
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v1.15-mcp-multi.md

@@ -0,0 +1,4 @@
+# v1.15-mcp-multi
+
+**Status:** Shipped. Archived.
+

openspec/changes/archived/v2.0-boocoder.md

@@ -0,0 +1,4 @@
+# v2.0-boocoder
+
+**Status:** Shipped. Archived.
+