Experiment with addons

Addons allow to execute external programs in some context inside
docspell. Currently it is possible to run them after processing files.
Addons are provided by URLs to zip files.

build.sbt

@@ -293,6 +293,15 @@ val openapiScalaSettings = Seq(
           field.copy(typeDef =
             TypeDef("DownloadState", Imports("docspell.common.DownloadState"))
           )
+      case "addon-trigger-type" =>
+        field =>
+          field.copy(typeDef =
+            TypeDef("AddonTriggerType", Imports("docspell.addons.AddonTriggerType"))
+          )
+      case "addon-runner-type" =>
+        field =>
+          field
+            .copy(typeDef = TypeDef("RunnerType", Imports("docspell.addons.RunnerType")))
     })
 )
 
@@ -325,6 +334,7 @@ val common = project
     libraryDependencies ++=
       Dependencies.fs2 ++
         Dependencies.circe ++
+        Dependencies.circeGenericExtra ++
         Dependencies.calevCore ++
         Dependencies.calevCirce
   )
@@ -351,7 +361,7 @@ val files = project
   .in(file("modules/files"))
   .disablePlugins(RevolverPlugin)
   .settings(sharedSettings)
-  .withTestSettings
+  .withTestSettingsDependsOn(loggingScribe)
   .settings(
     name := "docspell-files",
     libraryDependencies ++=
@@ -448,6 +458,19 @@ val notificationApi = project
   )
   .dependsOn(common, loggingScribe)
 
+val addonlib = project
+  .in(file("modules/addonlib"))
+  .disablePlugins(RevolverPlugin)
+  .settings(sharedSettings)
+  .withTestSettingsDependsOn(loggingScribe)
+  .settings(
+    libraryDependencies ++=
+      Dependencies.fs2 ++
+        Dependencies.circe ++
+        Dependencies.circeYaml
+  )
+  .dependsOn(common, files, loggingScribe)
+
 val store = project
   .in(file("modules/store"))
   .disablePlugins(RevolverPlugin)
@@ -469,7 +492,16 @@ val store = project
     libraryDependencies ++=
       Dependencies.testContainer.map(_ % Test)
   )
-  .dependsOn(common, query.jvm, totp, files, notificationApi, jsonminiq, loggingScribe)
+  .dependsOn(
+    common,
+    addonlib,
+    query.jvm,
+    totp,
+    files,
+    notificationApi,
+    jsonminiq,
+    loggingScribe
+  )
 
 val notificationImpl = project
   .in(file("modules/notification/impl"))
@@ -647,7 +679,7 @@ val restapi = project
     openapiSpec := (Compile / resourceDirectory).value / "docspell-openapi.yml",
     openapiStaticGen := OpenApiDocGenerator.Redoc
   )
-  .dependsOn(common, query.jvm, notificationApi, jsonminiq)
+  .dependsOn(common, query.jvm, notificationApi, jsonminiq, addonlib)
 
 val joexapi = project
   .in(file("modules/joexapi"))
@@ -667,7 +699,7 @@ val joexapi = project
     openapiSpec := (Compile / resourceDirectory).value / "joex-openapi.yml",
     openapiStaticGen := OpenApiDocGenerator.Redoc
   )
-  .dependsOn(common, loggingScribe)
+  .dependsOn(common, loggingScribe, addonlib)
 
 val backend = project
   .in(file("modules/backend"))
@@ -683,6 +715,7 @@ val backend = project
         Dependencies.emil
   )
   .dependsOn(
+    addonlib,
     store,
     notificationApi,
     joexapi,
@@ -739,7 +772,7 @@ val config = project
       Dependencies.fs2 ++
         Dependencies.pureconfig
   )
-  .dependsOn(common, loggingApi, ftspsql, store)
+  .dependsOn(common, loggingApi, ftspsql, store, addonlib)
 
 // --- Application(s)
 
@@ -946,6 +979,7 @@ val root = project
   )
   .aggregate(
     common,
+    addonlib,
     loggingApi,
     loggingScribe,
     config,