Add AMPIPIT as submodule (projects/msp-tools/ampipit)

Migrate Howard's AMPIPIT toolkit into the fleet as a private Gitea
submodule (azcomputerguru/ampipit), matching the guru-rmm pattern.
Full history (49 commits + tags) pushed to Gitea and verified before
integration. Tracks main.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.gitmodules

@@ -70,3 +70,7 @@
 [submodule "projects/msp-tools/utilities"]
 	path = projects/msp-tools/utilities
 	url = https://git.azcomputerguru.com/azcomputerguru/msp-utilities.git
+[submodule "projects/msp-tools/ampipit"]
+	path = projects/msp-tools/ampipit
+	url = https://git.azcomputerguru.com/azcomputerguru/ampipit.git
+	branch = main