Add Simplified Chinese desktop file translations

resources/linux/mime/applications/bitmap2component.desktop

@@ -8,5 +8,7 @@ Exec=bitmap2component
 Name=Bitmap to Component Converter
 GenericName=Bitmap to Component Converter
 GenericName[it]=Convertitore da bitmap a componente
+GenericName[zh_CN]=位图到元件转换器
 Comment=Create a component from a bitmap for use with KiCad
 Comment[it]=Crea un componente KiCad da un'immagine bitmap
+Comment[zh_CN]=从位图创建用于 KiCad 的元件

resources/linux/mime/applications/eeschema.desktop

@@ -10,6 +10,8 @@ Name=Eeschema (Standalone)
 GenericName=Electronic schematic capture
 GenericName[fr]=Saisie de schéma électronique
 GenericName[it]=Disegno di schemi elettrici
+GenericName[zh_CN]=电子原理图设计
 Comment=KiCad electronic schematic design (standalone)
 Comment[fr]=Dessiner des schémas électroniques (Standalone)
 Comment[it]=Progettazione di schemi elettrici (Standalone)
+Comment[zh_CN]=KiCad 电子原理图设计 (单机版)

resources/linux/mime/applications/gerbview.desktop

@@ -9,5 +9,7 @@ MimeType=application/x-gerber;application/x-excellon
 Name=GerbView
 GenericName=Gerber File Viewer
 GenericName[it]=Visualizzatore file Gerber
+GenericName[zh_CN]=Gerber 文件查看器
 Comment=View Gerber files
-Comment[it]=Visualizza file in formato Gerber
+Comment[it]=Visualizza file in formato Gerber
+Comment[zh_CN]=查看 Gerber 文件

resources/linux/mime/applications/kicad.desktop

@@ -9,7 +9,9 @@ MimeType=application/x-kicad-project;
 Name=KiCad
 GenericName=EDA Suite
 GenericName[it]=CAD elettronico
+GenericName[zh_CN]=EDA 工具箱
 Comment=Electronic Design Automation suite
 Comment[fr]=Suite logicielle de conception électronique
 Comment[it]=Suite di progettazione circuiti elettronici
+Comment[zh_CN]=电子设计自动化工具箱
 X-Desktop-File-Install-Version=0.22

resources/linux/mime/applications/pcbcalculator.desktop

@@ -7,5 +7,7 @@ Categories=Development;Electronics;
 Exec=pcb_calculator
 Name=PCB Calculator
 GenericName=PCB Calculator
+GenericName[zh_CN]=PCB 计算器
 Comment=Calculator for various electronics-related computations
 Comment[it]=Calcolatore per CAD e varie grandezze elettroniche
+Comment[zh_CN]=用于各种电子相关计算的计算器

resources/linux/mime/applications/pcbnew.desktop

@@ -9,5 +9,7 @@ MimeType=application/x-kicad-pcb;
 Name=Pcbnew (Standalone)
 GenericName=PCB layout
 GenericName[it]=Disegno PCB
+GenericName[zh_CN]=PCB 布局
 Comment=KiCad printed circuit board layout (standalone)
 Comment[it]=Disegno di circuiti stampati con KiCad (standalone)
+Comment[zh_CN]=KiCad 印刷电路板布局 (单机版)