docs(server): add Caddy configuration examples in all supported languages

Author: NekoAria

README.md

@@ -71,6 +71,12 @@ location / {
 }
 ```
 
+Or using Caddy, you might need to add the following configuration:
+
+```caddyfile
+try_files {path} {path}/ /index.html
+```
+
 ### Vercel
 
 [![Deploy to Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/electh/ReactFlux)

docs/README.de-DE.md

@@ -71,6 +71,12 @@ location / {
 }
 ```
 
+Oder mit Caddy, müssen Sie die folgende Konfiguration hinzufügen:
+
+```caddyfile
+try_files {path} {path}/ /index.html
+```
+
 ### Vercel
 
 [![Deploy to Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/electh/ReactFlux)

docs/README.es-ES.md

@@ -71,6 +71,12 @@ location / {
 }
 ```
 
+O usando Caddy, es posible que necesite agregar la siguiente configuración:
+
+```caddyfile
+try_files {path} {path}/ /index.html
+```
+
 ### Vercel
 
 [![Desplegar en Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/electh/ReactFlux)

docs/README.fr-FR.md

@@ -71,6 +71,12 @@ location / {
 }
 ```
 
+Ou en utilisant Caddy, vous devrez peut-être ajouter la configuration suivante :
+
+```caddyfile
+try_files {path} {path}/ /index.html
+```
+
 ### Vercel
 
 [![Déployer sur Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/electh/ReactFlux)

docs/README.zh-CN.md

@@ -71,6 +71,12 @@ location / {
 }
 ```
 
+或者使用 Caddy，您可能需要添加以下配置：
+
+```caddyfile
+try_files {path} {path}/ /index.html
+```
+
 ### Vercel
 
 [![部署到 Vercel](https://vercel.com/button)](https://vercel.com/import/project?template=https://github.com/electh/ReactFlux)