Update accessibility

Author: 1998code

README.md

@@ -241,5 +241,5 @@ Please feel free to open a pull request and add new language(s) or fix any typos
 
 ## Supported By
 <a href="https://m.do.co/c/ce873177d9ab">
-    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px" alt="Digital Ocean Logo">
 </a>

README/README_hc.md

@@ -240,5 +240,5 @@ MIT。 詳情請閱讀 LICENSE 文件。
 
 ## 支持
 <a href="https://m.do.co/c/ce873177d9ab">
-    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px" alt="Digital Ocean 標誌">
 </a>

README/README_ja.md

@@ -240,5 +240,5 @@ MIT。詳細については LICENSE ファイルをお読みください。
 
 ## サポート
 <a href="https://m.do.co/c/ce873177d9ab">
-    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px" alt="Digital Ocean ロゴ">
 </a>

README/README_ko.md

@@ -240,5 +240,5 @@ MIT. 자세한 내용은 LICENSE 파일을 참조하세요.
 
 ## 지원
 <a href="https://m.do.co/c/ce873177d9ab">
-    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px" alt="Digital Ocean 로고">
 </a>

README/README_tc.md

@@ -240,5 +240,5 @@ MIT。 詳情請閱讀 LICENSE 文件。
 
 ## 支持
 <a href="https://m.do.co/c/ce873177d9ab">
-    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px" alt="Digital Ocean 標誌">
 </a>

README/README_zh.md

@@ -240,5 +240,5 @@ MIT。 详情请阅读 LICENSE 文件。
 
 ## 支持
 <a href="https://m.do.co/c/ce873177d9ab">
-    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px">
+    <img src="https://opensource.nyc3.cdn.digitaloceanspaces.com/attribution/assets/SVG/DO_Logo_horizontal_blue.svg" width="201px" alt="Digital Ocean 標誌">
 </a>