Merge commit '8d075b76ae081d0d38813f789478e4fa0f404cd8' into hl/add_docs

# Conflicts:
#	README.md

pr_agent/settings/language_extensions.toml

@@ -53,7 +53,8 @@ default = [
     'xz',
     'zip',
     'zst',
-    'snap'
+    'snap',
+    'lockb'
 ]
 extra = [
     'md',

pr_agent/settings/pr_reviewer_prompts.toml

@@ -151,6 +151,9 @@ PR Analysis:
 {%- if require_focused %}
   Focused PR: no, because ...
 {%- endif %}
+{%- if require_estimate_effort_to_review %}
+  Estimated effort to review [1-5]: 3, because ...
+{%- endif %}
 PR Feedback:
   General PR suggestions: |-
     ...