feat: implement the bDS2-compatible core Lua API

docs/scripting/examples/macro.lua

@@ -0,0 +1,3 @@
+function render(params, env)
+    return "<strong>" .. (params.text or env.mainLanguage) .. "</strong>"
+end

docs/scripting/examples/transform.lua

@@ -0,0 +1,6 @@
+function main(data, context)
+    bds.app.toast("Imported from " .. context.source)
+    data.tags = data.tags or {}
+    table.insert(data.tags, "imported")
+    return data
+end

docs/scripting/examples/utility.lua

@@ -0,0 +1,7 @@
+function main()
+    local project = bds.projects.get_active()
+    if project == nil then return { processed = 0 } end
+    local posts = bds.posts.get_all()
+    bds.report_progress({ current = #posts, total = #posts, message = "Complete" })
+    return { processed = #posts }
+end