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

p3/p3_sepehr/build.gradle.kts

@@ -0,0 +1,49 @@
+plugins {
+    alias(libs.plugins.android.library)
+    alias(libs.plugins.ksp)
+    alias(libs.plugins.hilt)
+}
+
+android {
+    namespace = "com.example.p3_sepehr"
+    compileSdk {
+        version = release(36) {
+            minorApiLevel = 1
+        }
+    }
+
+    defaultConfig {
+        minSdk = 24
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = false
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
+        }
+    }
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+}
+
+dependencies {
+    implementation(project(":core"))
+    implementation(libs.hilt.android)
+    ksp(libs.hilt.compiler)
+
+    implementation(libs.retrofit.converter.gson)
+
+    implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.material)
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    androidTestImplementation(libs.androidx.junit)
+}