feat: v0.7.0 — registre de providers LLM : am providers list/show/add/remove/default, settings.providers + default_provider (closes #88)

man/am.1

@@ -1,6 +1,6 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH am 1  "am 0.6.0" 
+.TH am 1  "am 0.7.0" 
 .SH NAME
 am \- agent\-manager (am) — manage local AI coding agents
 .SH SYNOPSIS
@@ -121,6 +121,9 @@ List local models (ollama, llama.cpp, LM Studio) and prune unused ones
 am\-catalog(1)
 Manage remote catalogs: update the official one, add external ones
 .TP
+am\-providers(1)
+Manage the LLM provider registry: base URLs, models, default provider
+.TP
 am\-suggest(1)
 Suggest agents matching a query, boosted by real usage (issue #61)
 .TP
@@ -232,4 +235,4 @@ Export the configuration and installation state (backup)
 am\-import(1)
 Import a previously exported configuration and state
 .SH VERSION
-v0.6.0
+v0.7.0