update: docs (main index.md and docstrring)

docs/src/index.md

@@ -4,6 +4,8 @@ CurrentModule = PSBoardDataBase
 
 # About
 
+## API
+
 ```@index
 ```
 
@@ -11,3 +13,8 @@ CurrentModule = PSBoardDataBase
 Modules = [PSBoardDataBase]
 ```
 
+### `QaqcMasterLog`
+
+```@autodocs
+Modules = [QaqcMasterLog]
+```

src/PSBoardDataBase.jl

@@ -13,6 +13,26 @@ include("create_table.jl")
 
 include("import_data.jl")
 
+"""
+    create_database_from_exported_csvs(
+        dbpath::AbstractString;
+        single_run_csv::AbstractString,
+        runlist_csv::AbstractString,
+        dispatch_csv::AbstractString,
+        hundred_csv::AbstractString,
+        masterlog_dir::AbstractString,
+    )
+
+Create database at `dbpath` and import data from CSV and master log files.
+
+# Arguments
+- `dbpath`: where the database will be created
+- `single_run_csv`: CSV of single run results exported from the Google sheets database
+- `runlist_csv`: CSV of run lists exported from the Google sheets database
+- `dispatch_csv`: CSV of dispatch lists exported from the Google sheets database
+- `hundred_csv`: CSV of 100 tests results exported from the Google sheets database
+- `masterlog_dir`: path to the directory (`log`) where all JATHub master log is stored
+"""
 function create_database_from_exported_csvs(
     dbpath::AbstractString;
     single_run_csv::AbstractString,