Feat(P3): Modularize module and add Pardakht Novin support

- Split `p3` module into `p3_pardakht_novin` and `p3_sepehr` sub-modules
- Create `pardakht_novin_app` module with dedicated WebView and Hilt configuration
- Rename P3 services, printers, and models to be vendor-specific (e.g., `P3PardakhtNovinService`)
- Add `p3_pardakht_novin` and `p3_sepehr` product flavors to `tis_app` and `stage_app`
- Update project settings and build configurations to include the new modular structure
- Implement Sepehr-specific POS and Printer services in the new module

build.gradle.kts

@@ -5,4 +5,5 @@ plugins {
     alias(libs.plugins.kotlin.compose) apply false
     id("com.google.dagger.hilt.android") version "2.59.2" apply false
     alias(libs.plugins.ksp) apply false
+    alias(libs.plugins.jetbrains.kotlin.jvm) apply false
 }