docs: fix install command to use bash instead of sh

install.sh uses bash syntax ([[ ]]) that sh doesn't support.
Also adds https:// prefix to smfs.ai/install URL.

apps/docs/smfs/install.mdx

@@ -8,7 +8,7 @@ icon: "download"
 ## 1. Install the binary
 
 ```bash
-curl -fsSL smfs.ai/install | sh
+curl -fsSL https://smfs.ai/install | bash
 ```
 
 Drops `smfs` into `~/.local/bin`. Works on macOS (arm64, x64) and Linux (arm64, x64).

apps/docs/smfs/providers/cloudflare.mdx

@@ -171,7 +171,7 @@ Start by reading /profile.md for context.`,
 FROM node:20-slim
 
 # Install SMFS
-RUN curl -fsSL https://smfs.ai/install | sh
+RUN curl -fsSL https://smfs.ai/install | bash
 
 # Your agent code
 COPY . /app

apps/docs/smfs/providers/daytona.mdx

@@ -143,7 +143,7 @@ Daytona sandboxes run full Linux with shell access, filesystem, and network. The
 
     # 2. Install SMFS inside the sandbox
     sandbox.process.exec(
-        "curl -fsSL https://smfs.ai/install | sh"
+        "curl -fsSL https://smfs.ai/install | bash"
     )
 
     # 3. Log in and mount

apps/docs/smfs/providers/e2b.mdx

@@ -126,7 +126,7 @@ E2B sandboxes are ephemeral Linux microVMs with full shell access and unrestrict
     )
 
     # 3. Install SMFS and log in
-    sandbox.commands.run("curl -fsSL https://smfs.ai/install | sh")
+    sandbox.commands.run("curl -fsSL https://smfs.ai/install | bash")
     sandbox.commands.run(
         f"~/.local/bin/smfs login --key {os.environ['SUPERMEMORY_API_KEY']}"
     )
@@ -185,7 +185,7 @@ sandbox.commands.run(
 )
 
 # Install SMFS
-sandbox.commands.run("curl -fsSL https://smfs.ai/install | sh")
+sandbox.commands.run("curl -fsSL https://smfs.ai/install | bash")
 
 # Log in
 sandbox.commands.run(
@@ -231,7 +231,7 @@ For faster startup, bake SMFS and the FUSE fixes into a custom E2B template:
 FROM e2b/code-interpreter:latest
 
 # Pre-install SMFS
-RUN curl -fsSL https://smfs.ai/install | sh
+RUN curl -fsSL https://smfs.ai/install | bash
 
 # Fix FUSE permissions for SMFS mount
 RUN echo 'user_allow_other' >> /etc/fuse.conf