Add migration guide for v1beta1 to v1beta2

Signed-off-by: Muhammad Adil Ghaffar <muhammad.adil.ghaffar@est.tech>

Author: adilGhaffarDev

.cspell-config.json

@@ -184,6 +184,7 @@
     "OSPS",
     "OVS",
     "ownerReferences",
+    "omitzero",
     "passwordless",
     "periodics",
     "Pittau",
@@ -220,6 +221,8 @@
     "scu",
     "sdk",
     "service.d",
+    "Servicev4",
+    "Servicev6",
     "sh",
     "shellcheck",
     "SIG",

.gitignore

@@ -17,3 +17,6 @@ docs/presentations/plugin
 # Development containers (https://containers.dev/)
 .devcontainer
 .claude
+
+# macOS
+.DS_Store

docs/user-guide/src/SUMMARY.md

@@ -41,6 +41,7 @@
    - [Old Installation Process](ironic/ironic_installation.md)
 - [Cluster-api-provider-metal3](capm3/introduction.md)
    - [Install Metal³ provider](capm3/installation_guide.md)
+   - [Migration Guide: v1beta1 to v1beta2](capm3/migration_v1beta1_to_v1beta2.md)
    - [Metrics](capm3/metrics.md)
    - [Custom Resources](capm3/custom_resources.md)
       - [Metal3Cluster](capm3/metal3cluster.md)