Merge pull request #4528 from ClickHouse/Blargian-patch-965414

Functions: start generating string search functions

Author: Blargian

scripts/settings/autogenerate-settings.sh

@@ -264,6 +264,7 @@ if [ -f "$FUNCTION_SQL_FILE" ]; then
       "NumericIndexedVector"
       "String Splitting"
       "Rounding"
+      "String Search"
       "Time Series"
       "Other"
       "Time Window"
@@ -383,6 +384,7 @@ insert_src_files=(
   "numericindexedvector-functions.md"
   "string_splitting-functions.md"
   "rounding-functions.md"
+  "string_search-functions.md"
   "time_series-functions.md"
   "other-functions.md"
   "time_window-functions.md"
@@ -418,6 +420,7 @@ insert_dest_files=(
     "docs/sql-reference/functions/numeric-indexed-vector-functions.md"
     "docs/sql-reference/functions/splitting-merging-functions.md"
     "docs/sql-reference/functions/rounding-functions.md"
+    "docs/sql-reference/functions/string-search-functions.md"
     "docs/sql-reference/functions/time-series-functions.md"
     "docs/sql-reference/functions/other-functions.md"
     "docs/sql-reference/functions/time-window-functions.md"